(a) On the Expiration Date (specified in Annex B), Lessee may, so long as no Event of Default
or any event or occurrence which with the giving of notice or passage of time or both would result
in an Event of Default exists hereunder and this Lease has not been earlier terminated, purchase
the Aircraft on an AS IS BASIS for cash equal to its then Fair Market Value (plus all applicable
sales taxes together with any Rent and other sums due and unpaid on the Expiration Date). Upon
receipt of indefeasible payment in full of such amounts by Lessor, Lessor shall convey all of its
right, title and interest in and to the Aircraft to lessee on an AS IS BASIS without representation
or warranties of any kind, other than the absence of liens created by or through Lessor. Lessee
must give Lessor at least ninety (90) days, but not more than one hundred eighty (180) days, prior
written notice of its intent to purchase.